Color

#387572

#387572
hex#387572
rgbrgb(56, 117, 114)
hslhsl(177, 35%, 34%)
oklchoklch(0.521 0.063 191.1)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1478

Colors that go with #387572

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#75383b

#387554 · #385a75

#723875 · #757238

Split-complementary

Open in tool →

#75385a · #755438

#543875 · #75383b · #5a7538

Contrast

#387572 as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #2e605e as the text (7.12:1)
Aaon black
3.96:1failpassfail
  • AA: use #3d7f7c as the text (4.53:1)
  • AAA: use #50a5a1 as the text (7.24:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #387572 as the background.

Brands using this color

mcpConnect your agent — build around #387572
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #387572 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/387572-a2bcbe-d4599b-1f282d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md